﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp1
{
    class Circle: Shape
    {
      
        public override void GetArea(double radius)
        {
            base.GetArea(radius);
            Console.WriteLine("圆的面积" + (radius * radius * 3.14));
        }
       
        
        
    }
}
